One implementation of this in the past used an io-pkt 'tun' interface:

http://man.netbsd.org/HEAD/usr/share/man/html4/tun.html

On Thu, Oct 29, 2015 at 02:33:24PM -0400, Sesh wrote:
> Hello,
> 
> I have a third party bluetooth stack supporting PAN profile. Stack provides Rx and Tx callbacks to hook up the stack 
to networking layer. Our product does not have io-bluetooth resource manager. 
> 
> 1) What's a good example to to initiate creation of glue code residing in io-pkt that interfaces to bluetooth stack 
process?
> 2) Is message passing used to Tx and Rx data between io-pkt and bluetooth stack process in this case?
> 
> Regards,
> Sesh
> 
> 
> 
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